Prior to its revival, Domino was a dead planet populated by ice crabs and yetis. A giant stone bird called a Roc also protected Oritel's hidden library. After the revival, life returned. Some frozen animals survived the magical ice age. The fauna is presumably similar to Earth's. Like all other planets, Domino has its own Ocean Gate which is located in the Yellow Reef and is guarded by the planet's own Selkie, Serena who also uses the dragon's flame.
According to Serena, all of the rarest species of fishes in whole Magical Dimension live on Domino, probably because the planet was buried in ice for so long.
It is assumed to be similar to Earth's but more lush. Much of the plants are green and many flowers can be seen throughout the realm.
- Domino's Palace - The Domino Palace is the home and the castle of King Oritel and Marion and of course their daughters, Princess Daphne and Princess Bloom. The palace is also inhabited by many servants. It was somewhat destroyed during the time of the Ancient Witches incursion and was damaged by the yeti's attack during Bloom's visit years later. In the palace's courtyard, people gather every year to celebrate the annual renewal ceremony in which Oritel's sword is showcased and Sky, who saved the planet with Bloom, attending the ceremony.
- Yellow Reef - The Yellow Reef is the Ocean of Domino its seabed is a yellow color. It is where the Gem of Courage is located, which is inside the mouth of a giant reptilian-like fish. It is possibly called the Yellow Reef because of the diversity of the yellow coral reefs surrounding the area. The Ocean Gate between Earth and Domino is located here and according to Serena, the Yellow Reef is home to the Magic Dimensions rarest species of fish. The reef was damaged by Tritannus's pollution and the corals started to defend themselves violently, but thanks to Bloom the reef soon returned to normal.
- Vortex of Flames - The Vortex of Flames is a burning pit under the palace of Domino, which was an arena for the keepers of the Dragon Flame, with a five-headed dragon as the challenge/test. Over time, the power of the flames and the five-headed dragon grow uncontrollable, and the test becomes harder than ever.